An Editors' Pick via #OPG_OL: Topologically protected dense wavelength division multiplexer based on valley photonic crystal slabs https://bit.ly/3V2exAA #OpticalNetworks #TunableFilters 💡⚛️

An Editors' Pick via #OPG_OL: Iron-oxide-nanoparticle-enabled broadband all-optical microfiber phase shifter https://bit.ly/4clwmjM #PhotothermalEffects #TunableFilters💡⚛️